US Patent Issued to DANFOSS on Oct. 27 for "Valve and sealing structure thereof" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,761, issued on Oct. 27, was assigned to DANFOSS A/S (Nordborg, Denmark).

"Valve and sealing structure thereof" was invented by Yanning Shen (Wuqing, China), Long Sun (Wuqing, China) and Shuwei Liu (Wuqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing structure, including a stuffing box (2) and a valve cover (3). The side wall of the stuffing box (2) is provided with an external thread (21) and a sealing groove (22) used for mounting a first sealing ring (4); the valve cover (3) is provided with a mounting hole; when the stuffing box (2) is mounted in the mounting hole of the valve cover (3), and the stuffing box (2) and the valve c...